MAtmos 35.2 for Minecraft 1.12.2 is a release file of the Minecraft mod MAtmos for Forge, made for Minecraft 1.12.2. It was published on October 17, 2020 and is 1.5 MB in size. For the full description, screenshots and every other version, visit the MAtmos mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.